Help with lighting

[bluerams1]

Hi i upgraded from 6 g4 pros as they began failing and upgraded to 4 g6 xr30 blues my tank is 210 aqueon its a sps tank but people keeps telling me i only need 3 not 4 what does everyone think

 

[Jekyl]

Hi i upgraded from 6 g4 pros as they began failing and upgraded to 4 g6 xr30 blues my tank is 210 aqueon its a sps tank but people keeps telling me i only need 3 not 4 what does everyone think

More turned down is better than less turned up. Better coverage, less shading, less wear on lights. I'm sure there's people out there with the same setup plus T5 or other supplemental.